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Toxicity to soil macroorganisms except arthropods

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In accordance with Column 2 of REACH, information requirement section 9.4, testing on invertebrates does not need to be conducted since direct and indirect exposure of the soil compartment is unlikely. This understanding is confirmed in the TDp test (IUCLID section 5.6). Here, manganese is only seen at a concentration of 15.9 µg/L (after 28 days from 1 mg/L loading). Since the registered substance is in a metal oxide, any ionic metal leaching out of this matrix is predicted to bind strongly to soil and sediments. On this basis the bioavailable concentration of Mn from the substance to terrestrial organisms is predicted to be less than the background concentration of manganese in European soils (428.6 mg Mn/kg).
Furthermore, the results of the chemical safety assessment do not indicate the need to further investigate the effects of the substance on terrestrial organisms.

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